Product Introduction
This comprehensive rehabilitation parts kit includes direct-fit OEM replacement components for TM1 unit mechanical overhauls, TM2500 turbine electrical upgrades, and auxiliary control system repairs, featuring RPIC-LBN model valves, Series 3 seal sets, medium-voltage transformers, machine switches, thermostatic control valves, RTD temperature elements, and ATEX-rated cable assemblies. Unlike generic aftermarket spares, each component is built to the precise design specifications of TM1 and TM2500 equipment, ensuring seamless on-site installation, zero compatibility errors, and consistent performance in critical power generation operations.
Functional Specifications
- Mechanical Components: RPIC-LBN valves regulate fluid/gas flow; Series 3 buna-N seal sets (990016007) create leak-proof cavity seals; rear frame/turbine supports stabilize unit structure; 426RA/424-RA diaphragm kits maintain valve integrity; flexible hydraulic hoses and tube couplings enable secure fluid transfer; precision ball bearings reduce rotational friction.
- Electrical Components: PTG5-1 series potential transformers step down high-voltage power (14400/120V, 11500/115V) with 600VA capacity; 52G machine switches handle 15KV, 3000A power distribution with 50KA RMS interrupting capacity; medium-voltage bar kits ensure safe power transmission per ANSI/IEC standards.
- Instrumentation & Control Components: TCV-1101/TCV-1000 thermostatic 3-way valves regulate lube oil temperature (140°F set point); RTD temperature elements monitor generator bearing heat; ATEX-rated cable assemblies ensure safe data/power transmission in hazardous environments.
Structural Characteristics
All TM1/TM2500 rehabilitation parts feature industrial-grade construction for maximum durability: seal kits use oil-resistant buna-N elastomer for extended service life; frame supports use heavy-duty cast alloy steel for structural stability; electrical components use insulated, heat-resistant materials for high-voltage safety; cables carry ATEX certification for hazardous location use; control sensors use precision-calibrated elements for accurate temperature/flow monitoring. Components are designed for tool-friendly field installation, with exact OEM dimensional matching to minimize rehabilitation labor and downtime.
Applicable Operating Conditions
These spare parts are engineered to perform reliably in demanding industrial power generation environments, including:
- TM1 unit full rehabilitation and routine mechanical maintenance
- TM2500 turbine auxiliary lube oil, power, and control system operation
- High-voltage power distribution (up to 15KV) and 3000A current handling
- Hazardous industrial locations requiring ATEX-compliant cabling and components
- Temperature extremes (-40°F to 350°F) and continuous turbine vibration
- Compliance with ANSI C37, IEC 62271-100, and ISO industrial power standards
Maintenance & Rehabilitation Best Practices
- Pre-Installation Inspection: Cross-reference OEM part numbers against TM1/TM2500 technical manuals to confirm fitment; inspect seals, hoses, and electrical components for defects; clean all mounting surfaces to remove debris, oil, and corrosion before assembly.
- Mechanical Seal & Valve Care: Replace Series 3 seal sets (990016007) and valve diaphragms every 24,000 operating hours; lubricate seal surfaces lightly during installation to prevent tearing; torque frame support fasteners to OEM specifications to maintain structural stability.
- Electrical Component Maintenance: Test potential transformers and machine switches for voltage/current accuracy quarterly; inspect medium-voltage bar kits for insulation wear; replace damaged cable assemblies immediately to prevent power faults.
- Control System Calibration: Calibrate TCV thermostatic valves and RTD temperature elements post-installation; verify ATEX cable connections for secure, hazard-safe wiring; conduct routine functional tests of control sensors to ensure accurate lube oil regulation.
- Hose & Bearing Inspection: Check hydraulic/gas hoses for cracks or wear every 12,000 hours; replace worn ball bearings to reduce rotational friction and prevent turbine damage.
We supply the following spare parts:
| Item | Type | Type | Part Number | Description |
| 1 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | Valves, model RPIC-LBN | |
| 2 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 990016007 | Seal Set, Series 3 – cavity T-16A, buna-N PN: 990016007 |
| 3 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 8014-1045 | GASKET KIT 8014-1045 |
| 4 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | L22037G04 / L22037G07 | SUPPORT ASSY, REAR FRAME PN: L22037G04 / L22037G07 |
| 5 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | L22037G06 / L22037G09 | SUPPORT ASSY, REAR FRAME PN: L22037G06 / L22037G09 |
| 6 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | L22037G05 / L22037G08 | SUPPORT ASSY, TURBINE REAR FRAME PN: L22037G05 / L22037G08 |
| 7 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 426RA | DIAPHRAGM, SEAL, AQUA M VALVES, MODEL 426 PN: 426RA |
| 8 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 750-930-100 | DIAPHRGM AND SEAL KITS MODEL # 424-RA PN: 750-930-100 |
| 9 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | Gage Set – VSV Arms PN: V | |
| 10 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 584723-01 / 584723P0001 | HOSE 1″ X 108″ – HYDRAULIC START SUP Q/D. PN: 584723-01 / 584723P0001 |
| 11 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | L51399P01 | COUPLING, TUBE – FLEXIBLE. PN: L51399P01 |
| 12 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 1338M57P02 | BEARING BALL PN: 1338M57P02 |
| 13 | MECHANICAL AREA | TM1 UNIT REHABILITATION SPARE PARTS | 584710C-02 | HOSE 1″ X 84″ – GAS VENT INTERCONNECT PN: 584710C-02 |
| 14 | ELECTRIC AREA | TM1 UNIT REHABILITATION SPARE PARTS | PTG5-1-110-SD03559F | POTENTIAL TRANSFORMER |
| 14400/120V & 11500/115V, 120:1 & 100:1 RATIO, 600VA EACH @ 55°C, 110KV BIL W/1 PRIMARY FUSE PN: PTG5-1-110-SD03559F | ||||
| 15 | ELECTRIC AREA | TM1 UNIT REHABILITATION SPARE PARTS | 3776A28G02 | MACHINE SWITCH 52G |
| TYPE 150VCP-W1000 RATED 15KV, 3000A, 50/60Hz 1000MVA CLASS 50KA RMS MAX INTERRUPTING,95KV BIL, WITH 125VDC SHUNTTRIP, 125VDC MOTOR CHARGE AND CLOSE – DUAL RATED PER ANSIC37 & IEC 62271-100 | ||||
| 16 | ELECTRIC AREA | TM1 UNIT REHABILITATION SPARE PARTS | MEDIUM VOLTAGE BAR KIT | |
| 17 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | TCV-1101 | TURBINE LUBE OIL THERMOSTATIC CONTROL VALVE | |
| TURBINE LUBE OIL SYSTEM | ||||
| THERMOSTATIC 3-WAY VALVE, 1 ½” – 125 FF, CAST IRON BODY, 140 °F SETTING. | ||||
| TAG: TCV-1101 | ||||
| 18 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | GENERATOR LUBE OIL SYSTEM | TCV-1000 | GENERATOR LUBE OIL THERMOSTATIC CONTROL VALVE FLOW POWER ENERGY PN: AF1530PW4V-140 GE |
| PN: 386A7135P0001 | ||||
| THERMOSTATIC 3-WAY VALVE, 1 ½” – 125# FF, CAST IRON BODY, 140°F [60°C] SETTING. TAG: TCV-1000 | ||||
| 19 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | GENERATOR LUBE OIL SYSTEM | GE PN: 249A4652P0001 | GENERATOR LUBE OIL BEARING METAL TEMPERATURE ELEMENT (RTD THERMOCOUPLE) |
| GE PN: 249A4652P0001 | ||||
| MOUNTED ON GENERATOR TAG: TE-1021, TE-1022, TE-1023, TE-1024, TE-1035, TE-1036 | ||||
| 20 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | CABLES | 382A9278P0001 | CABLE ASSEMBLY, TM2500, T24, ATEX. |
| PN: 382A9278P0001 | ||||
| 21 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | CABLES | 382A9281P0001 | CABLE ASSEMBLY, TM2500, T25, ATEX. |
| PN: 382A9281P0001 | ||||
| 22 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | CABLES | 382A9324P0001 | CABLE ASSEMBLY, TM2500, G02, ATEX. |
| PN: 382A9324P0001 | ||||
| 23 | INSTRUMENTATION AND CONTROL AREA SPARE PARTS FOR TM2500 TURBINE AUXILIARY SYSTEMS | CABLES | 129530-0005-02 | CABLE, KPH I/O MOD-EXT TB, 5FT CABLE KPH 1/0 |
| PN: 129530-0005-02 |
On-Site Turbine/Unit Fault Repair Cases
Case 1: TM1 Unit Valve Seal Leakage
A TM1 power unit experienced severe fluid leakage from RPIC-LBN valves, caused by degraded Series 3 buna-N seals (990016007) and cracked 426RA diaphragms. The leak disrupted fluid regulation and risked system contamination. Installing a new seal set and diaphragm kit eliminated leakage and restored proper valve operation.
Case 2: TM2500 Turbine Lube Oil Temperature Control Failure
A TM2500 turbine suffered lube oil overheating, traced to a faulty TCV-1101 thermostatic control valve that failed to maintain 140°F set temperature. The overheating risked bearing damage and turbine shutdown. Replacing the control valve and calibrating the system restored stable lube oil temperature regulation.
Case 3: TM1 Unit High-Voltage Power Disruption
A TM1 unit experienced intermittent power outages due to a defective PTG5-1-110-SD03559F potential transformer and worn medium-voltage bar kit. The fault halted power generation and caused unplanned plant downtime. Installing a new transformer and bar kit restored consistent high-voltage power delivery.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with both TM1 units and TM2500 turbines? | Yes, this parts list includes dedicated components for TM1 unit rehabilitation and TM2500 turbine auxiliary systems, with clear OEM part number labeling for model-specific fitment. |
| What is the service life of the Series 3 seal set (990016007)? | The buna-N Series 3 seal set has a 24,000-hour service life under normal operating conditions; replace immediately if wear, cracking, or fluid leakage is detected. |
| Do the cable assemblies meet hazardous location standards? | Yes, all TM2500 cable assemblies carry ATEX certification, making them safe for use in explosive/hazardous industrial power generation environments. |
Procurement Guidance & Closing Statement
For maintenance engineers, procurement teams, and service specialists tasked with TM1 unit rehabilitation and TM2500 turbine reliability, this spare parts portfolio delivers a fully OEM-compliant, quality-assured sourcing solution for all critical mechanical, electrical, and control components. Backed by strict industrial manufacturing standards and exact OEM part matching, these components eliminate compatibility risks, streamline on-site rehabilitation workflows, and provide a definitive technical benchmark to resolve equipment faults efficiently. Whether stocking for full-unit overhauls, routine preventive maintenance, or emergency breakdown repairs, these model-specific spare parts ensure compliance with ANSI, IEC, and ATEX industry standards, minimize costly unplanned power generation downtime, and extend the operational lifespan of your TM1 and TM2500 equipment. Secure the precision valves, seals, transformers, cables, and control components your power systems need to maintain uninterrupted, efficient, and safe industrial operation.
